Air purifiers are commonly used in schools, government settings, industrial services, and offices to reduce air pollution, improve air quality, reduce disease, and eliminate harmful viruses such as the COVID-19 virus. These filters are ideal for particulate matter, such as pollen, mold or dust. HEPA filters are better for cleaning particles from the air. The 0.3 micron diameter specification responds to the worst case scenario, or the most penetrating particle size (MPPS).
Particles that are larger or smaller are trapped with even greater efficiency. Using worst-case particle size results in the worst-case efficiency rating (i.e. minimum efficiency reporting values, or MERV), reporting a filter's ability to capture larger particles between 0.3 and 10 microns (µm). EH&S recommends HEPA filters for particulates and aerosols.
Air filters filter out contaminants such as dust, mold, bacteria and allergens. They serve the same purpose as an air purifier, but they work in a totally different way. Although Blueair claims that the last two models are slightly more powerful, they share the same Clean Air Supply Rate (CADR) of 120, making them suitable for spaces up to 180 square feet. What Air Purifiers Don't Do An air purifier can only remove allergens when they are floating in the air.
However, it has excellent Clean Air Supply Rate (CADR) certifications from the Appliance Manufacturers Association, which in a way is a more rigorous measurement. Many allergens, such as dust mites, pollen and mold, are heavier than air and therefore sink into the floor and become trapped in floor coverings. The air quality readings you take are stored and viewable in the app, giving you a long-term picture of your home's air quality. The CADR numbers in effect give the cubic feet per minute of perfectly pure air that a purifier can produce at its maximum configuration.
A wellness solutions brand offering advanced 26% indoor air quality UV-C disinfection solutions for schools, 26% companies across the United States. Or buy a certified air purifier for a larger area so that it can run at a low speed and still work effectively. Very fine mesh filters are HEPA filters certified to collect 99.97 percent of particles of a given size (0.3 micron diameter of smoke and paint pigments, for example). For an air filter to be effective in removing viruses from the air, it must be capable of removing small airborne particles (in the size range of 0.1-1 um).
The filter is composed of a dense sheet of small fibers pleated and sealed in a metal or plastic frame. Not only do they pollute the air around you, but also allow bacteria to grow within the HVAC system.